Question

principal quantum number​

Answer 1

n quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers which are assigned to all electrons in an atom to describe that electron's state. Its values are natural numbers (from 1) making it a discrete variable.

Answer 2

Principal quantum number (n) :-

• The principal quantum number 'n' corresponds to the principal energy level of the electrons.
• It has integral positive values excluding zero.